From 0a4ec49c8a91210604ab6b72a3e41d3667390d8b Mon Sep 17 00:00:00 2001
From: hailin <hailin.zhao@gdzx.xyz>
Date: Wed, 24 Dec 2025 07:38:26 -0800
Subject: [PATCH] =?UTF-8?q?fix(kyc):=20=E4=BF=AE=E5=A4=8D=E6=9B=B4?=
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- 添加 _isSendingCode 状态检查，防止发送中重复点击
- 发送中显示 loading 指示器
- 倒计时期间和发送中均禁用按钮

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 .../presentation/pages/change_phone_page.dart | 30 ++++++++++++-------
 1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/frontend/mobile-app/lib/features/kyc/presentation/pages/change_phone_page.dart b/frontend/mobile-app/lib/features/kyc/presentation/pages/change_phone_page.dart
index 9e7f33c5..98651b98 100644
--- a/frontend/mobile-app/lib/features/kyc/presentation/pages/change_phone_page.dart
+++ b/frontend/mobile-app/lib/features/kyc/presentation/pages/change_phone_page.dart
@@ -587,9 +587,10 @@ class _ChangePhonePageState extends ConsumerState<ChangePhonePage> {
   }
 
   Widget _buildSendCodeButton(Future<void> Function() onSend) {
+    final canSend = _countdown == 0 && !_isSendingCode;
     return Center(
       child: GestureDetector(
-        onTap: _countdown > 0 ? null : () async {
+        onTap: canSend ? () async {
           try {
             await onSend();
           } catch (e) {
@@ -599,15 +600,24 @@ class _ChangePhonePageState extends ConsumerState<ChangePhonePage> {
               });
             }
           }
-        },
-        child: Text(
-          _countdown > 0 ? '$_countdown秒后重新发送' : '发送验证码',
-          style: TextStyle(
-            fontSize: 14.sp,
-            fontWeight: FontWeight.w500,
-            color: _countdown > 0 ? const Color(0xFF999999) : const Color(0xFF2E7D32),
-          ),
-        ),
+        } : null,
+        child: _isSendingCode
+            ? SizedBox(
+                width: 20.sp,
+                height: 20.sp,
+                child: const CircularProgressIndicator(
+                  strokeWidth: 2,
+                  valueColor: AlwaysStoppedAnimation<Color>(Color(0xFF999999)),
+                ),
+              )
+            : Text(
+                _countdown > 0 ? '$_countdown秒后重新发送' : '发送验证码',
+                style: TextStyle(
+                  fontSize: 14.sp,
+                  fontWeight: FontWeight.w500,
+                  color: canSend ? const Color(0xFF2E7D32) : const Color(0xFF999999),
+                ),
+              ),
       ),
     );
   }